WeatherAI Analysis: Sibley County is currently heavy rain at 19°C. Precipitation is likely — peak probability 67% around 6 p. m.. Atmospheric instability is elevated (CAPE up to 864 J/kg) — isolated convective development possible. Sunrise: 7:47A. M. · Sunset: 6:11P. M..
Air quality is satisfactory and poses little or no health risk.
The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.